On a nice summer day you drink a glass of cold water, OUCH!
On a cold winter morning you have a cup of hot tea, OUCH!
That pain you may be experiencing is tooth sensitivity. This occurs when you are eating or drinking hot or cold food or drinks. Sensitivity can occur when your gums pull away from the tooth or when you have gum tissue loss. This exposes the root of the tooth that is normally protected by your gums.
Gum loss can occur when you are brushing to hard or not brushing and flossing on a regular basis. The exposed root contains tiny little tunnels that lead to the centre of your tooth, also known as the pulp. The pulp contains blood vessels and nerves. When these tiny tunnels come in contact with something hot or cold the fluids contained in the tunnels can excite the nerve, causing pain.
Brushing to hard or using a hard bristle can also cause tooth sensitivity by wearing away the enamel. Using a soft bristles and brushing gently will help prevent gum loss and protect your enamel from being worn away.
Tooth sensitivity can come and go, but ignoring it can lead to other health problems in your mouth.